English translation

A few days ago, my friends and I discussed some rules of our school. In our school, we must wear uniforms every day. The problem is that all my classmates think uniforms are too ugly. We think young people should be more fashionable, so they should wear their own clothes. Our teachers think that if we do that, we will make them more

What is the greatest common factor of 52 and 28

52=2×2×13
28=2×2×7
The greatest common factor of 52 and 28 is 2 × 2 = 4

When - 3 ≤ x ≤ 1, the corresponding value of Y is 1 ≤ y ≤ 9, then the value of K is

This is a straight line
So the maximum and minimum are at the endpoint
So x = - 3, y = 1
x=1,y=9
Or x = - 3, y = 9
x=1,y=1
x=-3,y=1
x=1,y=9
Then 1 = - 3K + B
9=k+b
subtract
4k=8
k=2
x=-3,y=9
x=1,y=1
Then 9 = - 3K + B
1=k+b
subtract
4k=-8
k=-2
So k = - 2, k = 2

Primary school grade five Chinese volume one unit 8 composition

The number of chickens in the factory is 25% more than that of ducks. How many percent less are ducks than that of chickens?

Let the number of ducks be 1, then the number of chickens is: 1 × (1 + 25%) = 1.25; (1.25-1) △ 1.25 = 0.25 △ 1.25 = 20%; answer: the number of ducks is 20% less than that of chickens

What is the one digit number of 3 to the power of 2013?

The first power of 3 is 3, the second power of 3 is 9, the third power of 3 is 27, the fourth power of 3 is 81, the fifth power of 3 is 243, the sixth power of 3 is 729, the seventh power of 3 is 2187, and the eighth power of 3 is 6561

1÷2=1÷（1×2）=1÷1—1÷2
1÷6=1÷（2×3）=1÷2—1÷3
1÷12=1÷（3×4）=1÷3—1÷4
1÷20=1÷（4×5）=1÷4—1÷5
Based on the above observation, what conclusion can you draw? Use the equation containing n to express the law——

From the back of each equation, looking forward: the first: 1 / 1,1 / (1 + 1), the front is 1 / [1 * (1 + 1)] the second: 1 / 2,1 / (2 + 1), the front is 1 / [2 * (2 + 1)]

In the sequence 1,3,5,7, the sixth number is 11 and the m-th number is ()

In the sequence 1,3,5,7, the sixth number is 11 and the m-th number is (2m-1)
I'm very glad to answer your questions. Skyhunter 002 will answer your questions
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Cubic of 1 meter = cubic of how many centimeters

Because 1m = 100cm, (1m) ^ 3 = (100cm) ^ 3 = 1000000cm ^ 3

It is known that the speed ratio of a and B is 2:3. A starts 15 minutes earlier than B. after 1 hour and 45 minutes, a meets B. at this time, a walks 6 kilometers less than B. how about the speed of a and B and the distance between a and B?

1 hour 45 minutes = 74 hours. 1 hour 30 minutes = 32 hours. Suppose the speed of a is 2x and that of B is 3x. From the meaning of the question, we can get: 32 × 3x-74 × 2x = 6. The solution is: x = 6, the speed of a is: 12, the speed of B is: 18, the distance between a and B is: 32 × 18 + 74 × 12 = 48. A: the speed of a is: 12, the speed of B is: 18, the distance between a and B is: 48

English translation